ui/font_row: Wrap family label

Interferes with the desired minimum width of font preview cards. Is not
noticeable while using FlowBox because the cards were created in a single
go but while using GridView this becomes annoying since the number of
columns may change on the fly.
2 jobs for widgets/font-row-style-update in 13 minutes and 53 seconds (queued for 31 seconds)
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